José Rafael Santiago, a professional baseball player from Puerto Rico, had a notable career as a pitcher in Major League Baseball (MLB). Santiago's journey in the big leagues was marked by his versatility on the mound, as he served both as a starter and reliever during his tenure.

Santiago began his MLB career with the Kansas City Athletics after signing as an amateur free agent. His early years were a period of development, as he honed his skills and worked to establish himself in the majors. Despite a modest start, Santiago's potential was evident, and he was soon traded to the Boston Red Sox, where he would make his most significant impact.

With the Red Sox, Santiago's career flourished. He became known for his solid pitching and ability to perform under pressure. His repertoire included a good fastball and a sharp breaking ball, which he used effectively to keep hitters off balance. Santiago's best season came in 1967, a year that would be remembered as the "Impossible Dream" season for the Red Sox, who won the American League pennant against all odds.

During that magical 1967 season, Santiago played a crucial role in the Red Sox's success. He posted a career-best record, showcasing his skills as a reliable starter and contributing to the team's remarkable turnaround from the previous season's ninth-place finish. His performance earned him a spot in the starting rotation for the World Series against the St. Louis Cardinals.

In the Fall Classic, Santiago further cemented his legacy with a memorable performance. He not only pitched well but also hit a home run in Game 1, a rare feat for a pitcher and a highlight of his career. Despite his efforts, the Red Sox ultimately fell to the Cardinals in seven games, but Santiago's contributions were a bright spot in the series.

Throughout the remainder of his career, Santiago continued to be a valuable asset to the Red Sox pitching staff. He was used in various roles, including spot starts and relief appearances, showcasing his adaptability and team-first attitude. His ability to switch between starting and relieving was a testament to his skill and mental toughness.

Santiago's career in the majors concluded in the early 1970s, after which he continued to be involved in baseball in various capacities. His time in MLB may not have been marked by overwhelming statistics or numerous accolades, but his contributions to the Red Sox, particularly during their memorable 1967 season, ensured that he would be remembered as a key player in one of baseball's most storied campaigns.

After retiring from playing, Santiago remained connected to the sport, including coaching and scouting roles, reflecting his lifelong passion for baseball. His career serves as an example of the impact that a dedicated and versatile player can have on a team, and his legacy lives on in the memories of Red Sox fans and baseball aficionados.